A Building Envelope Plan in Queensland is a plan that defines the allowable area on a property where a building can be constructed, taking into account setbacks, easements, covenants, and other site constraints. 

1. Have your lot number, plan of subdivision, and property address ready. 
2. Contact Your Local Council. Building envelope plans are usually part of the approved documents for a property  
3. Request a “Building Envelope Plan” for your lot  
4. Some councils may charge a small fee for official documents.
5. Councils may provide the plan by email